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| Model | Organization | Release date | Parameters | Weight availability |
|---|---|---|---|---|
| Claude Haiku 5.5 | Anthropic | 2026-10 | Parameters undisclosed | Closed |
| Claude Fable 5.1 | Anthropic | 2026-09 | Parameters undisclosed | Closed |
| Claude Opus 5.5 | Anthropic | 2026-09 | Parameters undisclosed | Closed |
| Claude Sonnet 5.5 | Anthropic | 2026-09 | Parameters undisclosed | Closed |
| DeepSeek-V4.1-Flash | DeepSeek | 2026-09 | 552B / 16B active | Open |
| Gemini 3.8 Flash | 2026-09 | Parameters undisclosed | Closed | |
| Gemini 4 Argon | 2026-09 | Parameters undisclosed | Closed | |
| GPT-6 Astra | OpenAI | 2026-09 | Parameters undisclosed | Closed |
| GPT-6 Luna | OpenAI | 2026-09 | Parameters undisclosed | Closed |
| GPT-6 Sol | OpenAI | 2026-09 | Parameters undisclosed | Closed |